ResumoNeste trabalho discutimos o desenvolvimento de aulas dialógicas e problematizadas por meio de um objeto tecnológico com o objetivo de investigar suas contribuições para o ensino de Eletromagnetismo.Para tanto desenvolvemos a estratégia dos três momentos pedagógicos: problematização inicial, organização do conhecimento e aplicação do conhecimento.A pesquisa foi desenvolvida com estudantes do 3º ano do Ensino Médio de uma escola particular.Trata-se de uma pesquisa qualitativa cujos resultados foram obtidos da análise de conteúdo de um diário de campo e das respostas a um questionário com questões abertas. Concluímos que o objeto tecnológico com abordagem problematizadora mobiliza a curiosidade epistemológica, promove o estabelecimento do diálogo, revela o aspecto aplicado do conhecimento científico e facilita a compreensão conceitual. Palavras-chave:equipamento gerador; eletromagnetismo;problematização. Abstract The electric motor technology in the teaching of Electromagnetism in a problem-posing approachWe discuss the development of dialogical and problem-posing lessons by a technological object in order to investigate its contributions to the teaching of Electromagnetism. Therefore we developed the strategy of the three pedagogical moments: initial problem-posing, knowledge organization and knowledge application. The research was conducted with students of the 3rd year of high school from a private school. This is a qualitative research whose results were obtained from the content analysis of a diary and answers to a questionnaire with open questions. We conclude that the technological object with problem-posing approach mobilizes epistemological curiosity, promotes the dialogue establishment, reveals the applied aspect of scientific knowledge and facilitates conceptual understanding.
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